Carrier Route Targeter
Select Round O carrier routes with live household counts, demographic filters, and USPS postage calculation.
Upload EDDM Artwork
Instant preflight check for USPS postal dimensions, address blocks, and certified postal indicia.
EDDM Design Templates
Proven saturation mail layouts for contractors, dentists, restaurants, and realtors across Round O.
Print, Bundle & Mail
We print on heavy 16pt cardstock, bundle into 100-packs with facing slips, and ship direct to your local post office.
USPS-Approved EDDM Postcard Dimensions & Specs
Engineered to meet strict postal sorting automation standards across Round O, SC:
6.5" x 9" Standard Postcard
USPS Flat Approved • High Impact
Our most popular size nationwide. Ample canvas for large promotions and menus while maximizing postage savings.
6.25" x 11" Oversized Mailer
Long Form • Mailbox Standout
Towering horizontal format that commands recipient attention when pulled from a crowded Round O mailbox.
8.5" x 11" Jumbo Full-Page
Mini-Catalog Presentation
Full magazine-page size. Unfold multi-product sales promotions, medical service menus, or home remodeling guides.
16pt Ultra-Thick Cardstock
Premium Heavyweight Board
Rigid, professional cardstock engineered to resist dog-earing and curling during high-speed automated postal processing.
High-Gloss UV Shield
Liquid UV Protective Barrier
Liquid coating cured under ultraviolet lamps, protecting your artwork against scuffs, moisture, and postal machine belts.
100-Pack Postal Bundling
Facing Slips & Form 3587 Included
Every order is count-verified, precision cross-strapped into 100-packs, labeled with facing slips, and ready for drop-off.
Commercial Printing Standards for Round O, SC
Industrial equipment, sustainable materials, and rigorous quality inspection on every order:
USPS Saturation Coverage Across Round O, SC
Testing different creative offers across separate carrier routes in Round O allows you to perform scientific A/B split tests to discover which discount structure generates the highest net profit.
Heavy 16pt Cardstocks & Certified Postal Indicia
Pest control operators throughout Round O, SC launch seasonal preventative mailings just as spring insects or winter rodents become active, providing timely household discounts that prompt immediate phone inquiries.
Fast Print Turnaround & Direct Post Office Drop
Pool cleaning and maintenance services in Round O can visually verify carrier routes with private in-ground pools to focus their direct mail dollars exclusively on properties that need their exact services.
3D Interactive Preflight & Address Verification
Churches, non-profits, and civic organizations in Round O welcome new community residents, invite neighbors to seasonal holiday services, and rally support for charity fundraisers through cost-effective saturation mailings.
Full-Service Postal Bundling, Facing Slips & Form 3587
We provide direct trade printing discounts to graphic designers, marketing agencies, and print brokers in Round O, allowing you to mark up premium print products and grow your own agency profits.
Seamless 3-Step Production Workflow
From digital canvas to press-cured finish in 24 to 48 hours:
Select or Upload Design
Pick from 1,000+ templates, generate with AI in 30 seconds, or upload your print-ready PDF/vector artwork.
Interactive 3D Proof
Inspect trim boundaries, bleed margins, and paper finish in realistic 360° before sending your files to press.
Fast Press & Direct Delivery
Printed on commercial Heidelberg offset presses with rapid 24-48h turnaround and express delivery to Round O.
Frequently Asked Questions in Round O, SC
Everything you need to know about specs, turnarounds, and commercial press quality:
Can I see a proof before my Round O postcards are printed?
Absolutely. Every order includes an interactive 3D digital proof and automated preflight inspection to ensure bleed margins, postal safe areas, and CMYK color profiles are 100% press-ready before production.
What paper stock do you use for postcards mailed in Round O?
We print on heavy 16pt commercial cardstock (or 14pt upon request) with your choice of high-gloss UV coating for vibrant color protection or silk matte finish for an elegant glare-free look.
What postcard sizes are approved by the USPS for EDDM in Round O?
USPS requires EDDM mailers to meet specific 'flat' criteria: longer than 10.5" OR taller than 6.125" OR thicker than 0.25". Our most popular USPS-compliant sizes for Round O campaigns are 6.5" x 9", 6.25" x 11", and 8.5" x 11" jumbo mailers.
Does Postcard EDDM handle the postal paperwork and bundling for Round O?
Yes! We offer full-service fulfillment. We print your cards on heavy 16pt cardstock, bundle them into required 100-piece stacks with facing slips, prepare USPS Form 3587, and can even ship directly to your local Round O post office.
More South Carolina Direct Mail & EDDM Locations
Direct commercial courier and ground dispatch to neighboring hubs throughout South Carolina: